You get a JSON structure with information about your fan page including fan page ID, fan page description, fan page's like count, how many people were there, etc. The "id" is what you are interested in. In this case, "id" is 356891854337157.

Let me know if you don't know how to get your access token.

Step 2

Knowing the ID, 356891854337157, use the following URL to see the latest post on https://www.facebook.com/Ch2En.